comments on r/EverythingScience
9 points
is that the mouthgaurd filled with flavored goo that you have to keep in your mouth for 29 minutes while you drool all over yourself?
12 points
10 points
And you’re basically supposed to do the same thing twice a day with your toothpaste, which is why the tube says “spit out after brushing” and not “make a little cup with your hand and use it to swish some water from the sink around in your mouth, rinsing most of the fluoride off before it has a chance to work”.
